Home / 22,101.81-30,501.27-12,031.08

Finding the Fourth Proportional to 22,101.81, 30,501.27 and 12,031.08

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Solution

The fourth proportional to 22,101.81, 30,501.27 and 12,031.08 is: 16,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.81 : 30,501.27 = 12,031.08 : x
  2. Step 2: Convert to fraction form
    22,101.81/30,501.27 = 12,031.08/x
  3. Step 3: Cross multiply
    22,101.81x = 30,501.27 × 12,031.08
  4. Step 4: Simplify right side
    22,101.81x = 366,963,219.47
  5. Step 5: Solve for x
    x = 366,963,219.47/22,101.81
  6. Step 6: Final answer
    x = 16,603.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.